Reptilia - Squamata - Aniliidae

Alternative combination: Coniophis carinatus

Full reference: M. K. Hecht. 1959. Amphibians and Reptiles (in: The Geology and Paleontology of the Elk Mountain and Tabernacle Butte area, Wyoming). Bulletin of the American Museum of Natural History 117(3):130-176

Belongs to Borealilysia according to J. J. Head 2020

See also Gardner and Cifelli 1999, Hecht 1959 and Rage 1984

Sister taxa: Borealilysia gunnelli, Coniophis platycarinatus

Type specimen: AMNH 3826 (incomplete mid-thoracic vertebra). Its type locality is Hyopsodus Hill, which is in a Bridgerian terrestrial horizon in the Bridger Formation of Wyoming.

Distribution: found only at Hyopsodus Hill

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Specimen images are retrieved through the ePANDDA API.